Home / 7,890.59-11,851.65-4,934.29

Finding the Fourth Proportional to 7,890.59, 11,851.65 and 4,934.29

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Solution

The fourth proportional to 7,890.59, 11,851.65 and 4,934.29 is: 7,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.59 : 11,851.65 = 4,934.29 : x
  2. Step 2: Convert to fraction form
    7,890.59/11,851.65 = 4,934.29/x
  3. Step 3: Cross multiply
    7,890.59x = 11,851.65 × 4,934.29
  4. Step 4: Simplify right side
    7,890.59x = 58,479,478.08
  5. Step 5: Solve for x
    x = 58,479,478.08/7,890.59
  6. Step 6: Final answer
    x = 7,411.29

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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.