Home / 5,288.40-7,298.08-2,930.48

Finding the Fourth Proportional to 5,288.40, 7,298.08 and 2,930.48

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Solution

The fourth proportional to 5,288.40, 7,298.08 and 2,930.48 is: 4,044.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.40 : 7,298.08 = 2,930.48 : x
  2. Step 2: Convert to fraction form
    5,288.40/7,298.08 = 2,930.48/x
  3. Step 3: Cross multiply
    5,288.40x = 7,298.08 × 2,930.48
  4. Step 4: Simplify right side
    5,288.40x = 21,386,877.48
  5. Step 5: Solve for x
    x = 21,386,877.48/5,288.40
  6. Step 6: Final answer
    x = 4,044.11

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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.