Home / 6,315.24-8,713.70-4,550.76

Finding the Fourth Proportional to 6,315.24, 8,713.70 and 4,550.76

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Solution

The fourth proportional to 6,315.24, 8,713.70 and 4,550.76 is: 6,279.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.24 : 8,713.70 = 4,550.76 : x
  2. Step 2: Convert to fraction form
    6,315.24/8,713.70 = 4,550.76/x
  3. Step 3: Cross multiply
    6,315.24x = 8,713.70 × 4,550.76
  4. Step 4: Simplify right side
    6,315.24x = 39,653,957.41
  5. Step 5: Solve for x
    x = 39,653,957.41/6,315.24
  6. Step 6: Final answer
    x = 6,279.09

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Half scale
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Double scale
Find fourth proportional to 6,316.24, 8,715.08 and 4,551.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.