Home / 5,017.65-7,526.87-1,685.76

Finding the Fourth Proportional to 5,017.65, 7,526.87 and 1,685.76

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Solution

The fourth proportional to 5,017.65, 7,526.87 and 1,685.76 is: 2,528.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.65 : 7,526.87 = 1,685.76 : x
  2. Step 2: Convert to fraction form
    5,017.65/7,526.87 = 1,685.76/x
  3. Step 3: Cross multiply
    5,017.65x = 7,526.87 × 1,685.76
  4. Step 4: Simplify right side
    5,017.65x = 12,688,517.86
  5. Step 5: Solve for x
    x = 12,688,517.86/5,017.65
  6. Step 6: Final answer
    x = 2,528.78

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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.