Home / 7,053.60-9,705.36-5,790

Finding the Fourth Proportional to 7,053.60, 9,705.36 and 5,790

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Solution

The fourth proportional to 7,053.60, 9,705.36 and 5,790 is: 7,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.60 : 9,705.36 = 5,790 : x
  2. Step 2: Convert to fraction form
    7,053.60/9,705.36 = 5,790/x
  3. Step 3: Cross multiply
    7,053.60x = 9,705.36 × 5,790
  4. Step 4: Simplify right side
    7,053.60x = 56,194,034.40
  5. Step 5: Solve for x
    x = 56,194,034.40/7,053.60
  6. Step 6: Final answer
    x = 7,966.72

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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.