Home / 5,288.30-7,298.10-2,930.45

Finding the Fourth Proportional to 5,288.30, 7,298.10 and 2,930.45

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Solution

The fourth proportional to 5,288.30, 7,298.10 and 2,930.45 is: 4,044.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.30 : 7,298.10 = 2,930.45 : x
  2. Step 2: Convert to fraction form
    5,288.30/7,298.10 = 2,930.45/x
  3. Step 3: Cross multiply
    5,288.30x = 7,298.10 × 2,930.45
  4. Step 4: Simplify right side
    5,288.30x = 21,386,717.15
  5. Step 5: Solve for x
    x = 21,386,717.15/5,288.30
  6. Step 6: Final answer
    x = 4,044.16

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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.