Home / 5,614.54-8,421.33-1,916.86

Finding the Fourth Proportional to 5,614.54, 8,421.33 and 1,916.86

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Solution

The fourth proportional to 5,614.54, 8,421.33 and 1,916.86 is: 2,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.54 : 8,421.33 = 1,916.86 : x
  2. Step 2: Convert to fraction form
    5,614.54/8,421.33 = 1,916.86/x
  3. Step 3: Cross multiply
    5,614.54x = 8,421.33 × 1,916.86
  4. Step 4: Simplify right side
    5,614.54x = 16,142,510.62
  5. Step 5: Solve for x
    x = 16,142,510.62/5,614.54
  6. Step 6: Final answer
    x = 2,875.13

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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.