Home / 4,947.52-7,421.28-2,025.16

Finding the Fourth Proportional to 4,947.52, 7,421.28 and 2,025.16

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Solution

The fourth proportional to 4,947.52, 7,421.28 and 2,025.16 is: 3,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.52 : 7,421.28 = 2,025.16 : x
  2. Step 2: Convert to fraction form
    4,947.52/7,421.28 = 2,025.16/x
  3. Step 3: Cross multiply
    4,947.52x = 7,421.28 × 2,025.16
  4. Step 4: Simplify right side
    4,947.52x = 15,029,279.40
  5. Step 5: Solve for x
    x = 15,029,279.40/4,947.52
  6. Step 6: Final answer
    x = 3,037.74

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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.