Home / 10,277.55-15,406.88-3,702.13

Finding the Fourth Proportional to 10,277.55, 15,406.88 and 3,702.13

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Solution

The fourth proportional to 10,277.55, 15,406.88 and 3,702.13 is: 5,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.55 : 15,406.88 = 3,702.13 : x
  2. Step 2: Convert to fraction form
    10,277.55/15,406.88 = 3,702.13/x
  3. Step 3: Cross multiply
    10,277.55x = 15,406.88 × 3,702.13
  4. Step 4: Simplify right side
    10,277.55x = 57,038,215.63
  5. Step 5: Solve for x
    x = 57,038,215.63/10,277.55
  6. Step 6: Final answer
    x = 5,549.79

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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.