Home / 9,485.55-14,228.28-3,938.76

Finding the Fourth Proportional to 9,485.55, 14,228.28 and 3,938.76

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Solution

The fourth proportional to 9,485.55, 14,228.28 and 3,938.76 is: 5,908.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,485.55 : 14,228.28 = 3,938.76 : x
  2. Step 2: Convert to fraction form
    9,485.55/14,228.28 = 3,938.76/x
  3. Step 3: Cross multiply
    9,485.55x = 14,228.28 × 3,938.76
  4. Step 4: Simplify right side
    9,485.55x = 56,041,780.13
  5. Step 5: Solve for x
    x = 56,041,780.13/9,485.55
  6. Step 6: Final answer
    x = 5,908.12

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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.