Home / 6,715.34-9,263.43-6,240.18

Finding the Fourth Proportional to 6,715.34, 9,263.43 and 6,240.18

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Solution

The fourth proportional to 6,715.34, 9,263.43 and 6,240.18 is: 8,607.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.34 : 9,263.43 = 6,240.18 : x
  2. Step 2: Convert to fraction form
    6,715.34/9,263.43 = 6,240.18/x
  3. Step 3: Cross multiply
    6,715.34x = 9,263.43 × 6,240.18
  4. Step 4: Simplify right side
    6,715.34x = 57,805,470.62
  5. Step 5: Solve for x
    x = 57,805,470.62/6,715.34
  6. Step 6: Final answer
    x = 8,607.97

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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.