Home / 5,417.02-8,124.18-1,520.65

Finding the Fourth Proportional to 5,417.02, 8,124.18 and 1,520.65

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Solution

The fourth proportional to 5,417.02, 8,124.18 and 1,520.65 is: 2,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.02 : 8,124.18 = 1,520.65 : x
  2. Step 2: Convert to fraction form
    5,417.02/8,124.18 = 1,520.65/x
  3. Step 3: Cross multiply
    5,417.02x = 8,124.18 × 1,520.65
  4. Step 4: Simplify right side
    5,417.02x = 12,354,034.32
  5. Step 5: Solve for x
    x = 12,354,034.32/5,417.02
  6. Step 6: Final answer
    x = 2,280.60

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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.