Home / 6,315.35-8,718.30-4,895.82

Finding the Fourth Proportional to 6,315.35, 8,718.30 and 4,895.82

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Solution

The fourth proportional to 6,315.35, 8,718.30 and 4,895.82 is: 6,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.35 : 8,718.30 = 4,895.82 : x
  2. Step 2: Convert to fraction form
    6,315.35/8,718.30 = 4,895.82/x
  3. Step 3: Cross multiply
    6,315.35x = 8,718.30 × 4,895.82
  4. Step 4: Simplify right side
    6,315.35x = 42,683,227.51
  5. Step 5: Solve for x
    x = 42,683,227.51/6,315.35
  6. Step 6: Final answer
    x = 6,758.65

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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.