Home / 5,677.15-8,515.59-1,516.99

Finding the Fourth Proportional to 5,677.15, 8,515.59 and 1,516.99

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Solution

The fourth proportional to 5,677.15, 8,515.59 and 1,516.99 is: 2,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.15 : 8,515.59 = 1,516.99 : x
  2. Step 2: Convert to fraction form
    5,677.15/8,515.59 = 1,516.99/x
  3. Step 3: Cross multiply
    5,677.15x = 8,515.59 × 1,516.99
  4. Step 4: Simplify right side
    5,677.15x = 12,918,064.87
  5. Step 5: Solve for x
    x = 12,918,064.87/5,677.15
  6. Step 6: Final answer
    x = 2,275.45

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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.