Home / 6,901.50-9,526.38-4,068.78

Finding the Fourth Proportional to 6,901.50, 9,526.38 and 4,068.78

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Solution

The fourth proportional to 6,901.50, 9,526.38 and 4,068.78 is: 5,616.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.50 : 9,526.38 = 4,068.78 : x
  2. Step 2: Convert to fraction form
    6,901.50/9,526.38 = 4,068.78/x
  3. Step 3: Cross multiply
    6,901.50x = 9,526.38 × 4,068.78
  4. Step 4: Simplify right side
    6,901.50x = 38,760,744.42
  5. Step 5: Solve for x
    x = 38,760,744.42/6,901.50
  6. Step 6: Final answer
    x = 5,616.28

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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.