Home / 6,885.18-9,502.12-3,901.55

Finding the Fourth Proportional to 6,885.18, 9,502.12 and 3,901.55

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Solution

The fourth proportional to 6,885.18, 9,502.12 and 3,901.55 is: 5,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.18 : 9,502.12 = 3,901.55 : x
  2. Step 2: Convert to fraction form
    6,885.18/9,502.12 = 3,901.55/x
  3. Step 3: Cross multiply
    6,885.18x = 9,502.12 × 3,901.55
  4. Step 4: Simplify right side
    6,885.18x = 37,072,939.02
  5. Step 5: Solve for x
    x = 37,072,939.02/6,885.18
  6. Step 6: Final answer
    x = 5,384.45

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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.