Home / 7,079-9,769.92-4,284.52

Finding the Fourth Proportional to 7,079, 9,769.92 and 4,284.52

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Solution

The fourth proportional to 7,079, 9,769.92 and 4,284.52 is: 5,913.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079 : 9,769.92 = 4,284.52 : x
  2. Step 2: Convert to fraction form
    7,079/9,769.92 = 4,284.52/x
  3. Step 3: Cross multiply
    7,079x = 9,769.92 × 4,284.52
  4. Step 4: Simplify right side
    7,079x = 41,859,417.64
  5. Step 5: Solve for x
    x = 41,859,417.64/7,079
  6. Step 6: Final answer
    x = 5,913.18

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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.