Home / 6,648.80-9,173.40-4,132.76

Finding the Fourth Proportional to 6,648.80, 9,173.40 and 4,132.76

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Solution

The fourth proportional to 6,648.80, 9,173.40 and 4,132.76 is: 5,702.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.80 : 9,173.40 = 4,132.76 : x
  2. Step 2: Convert to fraction form
    6,648.80/9,173.40 = 4,132.76/x
  3. Step 3: Cross multiply
    6,648.80x = 9,173.40 × 4,132.76
  4. Step 4: Simplify right side
    6,648.80x = 37,911,460.58
  5. Step 5: Solve for x
    x = 37,911,460.58/6,648.80
  6. Step 6: Final answer
    x = 5,702.00

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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.