Home / 6,347.76-9,515.16-3,876.08

Finding the Fourth Proportional to 6,347.76, 9,515.16 and 3,876.08

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Solution

The fourth proportional to 6,347.76, 9,515.16 and 3,876.08 is: 5,810.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.76 : 9,515.16 = 3,876.08 : x
  2. Step 2: Convert to fraction form
    6,347.76/9,515.16 = 3,876.08/x
  3. Step 3: Cross multiply
    6,347.76x = 9,515.16 × 3,876.08
  4. Step 4: Simplify right side
    6,347.76x = 36,881,521.37
  5. Step 5: Solve for x
    x = 36,881,521.37/6,347.76
  6. Step 6: Final answer
    x = 5,810.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.