Home / 5,065.40-7,598.10-3,315.80

Finding the Fourth Proportional to 5,065.40, 7,598.10 and 3,315.80

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Solution

The fourth proportional to 5,065.40, 7,598.10 and 3,315.80 is: 4,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.40 : 7,598.10 = 3,315.80 : x
  2. Step 2: Convert to fraction form
    5,065.40/7,598.10 = 3,315.80/x
  3. Step 3: Cross multiply
    5,065.40x = 7,598.10 × 3,315.80
  4. Step 4: Simplify right side
    5,065.40x = 25,193,779.98
  5. Step 5: Solve for x
    x = 25,193,779.98/5,065.40
  6. Step 6: Final answer
    x = 4,973.70

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Similar ratio
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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.