Home / 5,614.57-8,421.47-3,116.93

Finding the Fourth Proportional to 5,614.57, 8,421.47 and 3,116.93

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Solution

The fourth proportional to 5,614.57, 8,421.47 and 3,116.93 is: 4,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.57 : 8,421.47 = 3,116.93 : x
  2. Step 2: Convert to fraction form
    5,614.57/8,421.47 = 3,116.93/x
  3. Step 3: Cross multiply
    5,614.57x = 8,421.47 × 3,116.93
  4. Step 4: Simplify right side
    5,614.57x = 26,249,116.90
  5. Step 5: Solve for x
    x = 26,249,116.90/5,614.57
  6. Step 6: Final answer
    x = 4,675.18

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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.