Home / 5,248.08-7,874.31-2,130.30

Finding the Fourth Proportional to 5,248.08, 7,874.31 and 2,130.30

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Solution

The fourth proportional to 5,248.08, 7,874.31 and 2,130.30 is: 3,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.08 : 7,874.31 = 2,130.30 : x
  2. Step 2: Convert to fraction form
    5,248.08/7,874.31 = 2,130.30/x
  3. Step 3: Cross multiply
    5,248.08x = 7,874.31 × 2,130.30
  4. Step 4: Simplify right side
    5,248.08x = 16,774,642.59
  5. Step 5: Solve for x
    x = 16,774,642.59/5,248.08
  6. Step 6: Final answer
    x = 3,196.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.