Home / 7,177.55-9,901.64-4,528.85

Finding the Fourth Proportional to 7,177.55, 9,901.64 and 4,528.85

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Solution

The fourth proportional to 7,177.55, 9,901.64 and 4,528.85 is: 6,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.55 : 9,901.64 = 4,528.85 : x
  2. Step 2: Convert to fraction form
    7,177.55/9,901.64 = 4,528.85/x
  3. Step 3: Cross multiply
    7,177.55x = 9,901.64 × 4,528.85
  4. Step 4: Simplify right side
    7,177.55x = 44,843,004.13
  5. Step 5: Solve for x
    x = 44,843,004.13/7,177.55
  6. Step 6: Final answer
    x = 6,247.68

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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.