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Finding the Fourth Proportional to 4,340.79, 6,511.19 and 1,053.89

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Solution

The fourth proportional to 4,340.79, 6,511.19 and 1,053.89 is: 1,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.79 : 6,511.19 = 1,053.89 : x
  2. Step 2: Convert to fraction form
    4,340.79/6,511.19 = 1,053.89/x
  3. Step 3: Cross multiply
    4,340.79x = 6,511.19 × 1,053.89
  4. Step 4: Simplify right side
    4,340.79x = 6,862,045.47
  5. Step 5: Solve for x
    x = 6,862,045.47/4,340.79
  6. Step 6: Final answer
    x = 1,580.83

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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.