Home / 5,136.47-7,088.33-2,898.83

Finding the Fourth Proportional to 5,136.47, 7,088.33 and 2,898.83

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Solution

The fourth proportional to 5,136.47, 7,088.33 and 2,898.83 is: 4,000.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.47 : 7,088.33 = 2,898.83 : x
  2. Step 2: Convert to fraction form
    5,136.47/7,088.33 = 2,898.83/x
  3. Step 3: Cross multiply
    5,136.47x = 7,088.33 × 2,898.83
  4. Step 4: Simplify right side
    5,136.47x = 20,547,813.72
  5. Step 5: Solve for x
    x = 20,547,813.72/5,136.47
  6. Step 6: Final answer
    x = 4,000.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.