Home / 5,288.10-7,298.01-2,931

Finding the Fourth Proportional to 5,288.10, 7,298.01 and 2,931

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Solution

The fourth proportional to 5,288.10, 7,298.01 and 2,931 is: 4,045.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.10 : 7,298.01 = 2,931 : x
  2. Step 2: Convert to fraction form
    5,288.10/7,298.01 = 2,931/x
  3. Step 3: Cross multiply
    5,288.10x = 7,298.01 × 2,931
  4. Step 4: Simplify right side
    5,288.10x = 21,390,467.31
  5. Step 5: Solve for x
    x = 21,390,467.31/5,288.10
  6. Step 6: Final answer
    x = 4,045.02

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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.