Home / 5,624.52-8,436.76-1,520.52

Finding the Fourth Proportional to 5,624.52, 8,436.76 and 1,520.52

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Solution

The fourth proportional to 5,624.52, 8,436.76 and 1,520.52 is: 2,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.52 : 8,436.76 = 1,520.52 : x
  2. Step 2: Convert to fraction form
    5,624.52/8,436.76 = 1,520.52/x
  3. Step 3: Cross multiply
    5,624.52x = 8,436.76 × 1,520.52
  4. Step 4: Simplify right side
    5,624.52x = 12,828,262.32
  5. Step 5: Solve for x
    x = 12,828,262.32/5,624.52
  6. Step 6: Final answer
    x = 2,280.77

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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.