Home / 5,316.01-7,974.02-2,390.90

Finding the Fourth Proportional to 5,316.01, 7,974.02 and 2,390.90

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Solution

The fourth proportional to 5,316.01, 7,974.02 and 2,390.90 is: 3,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.01 : 7,974.02 = 2,390.90 : x
  2. Step 2: Convert to fraction form
    5,316.01/7,974.02 = 2,390.90/x
  3. Step 3: Cross multiply
    5,316.01x = 7,974.02 × 2,390.90
  4. Step 4: Simplify right side
    5,316.01x = 19,065,077.44
  5. Step 5: Solve for x
    x = 19,065,077.44/5,316.01
  6. Step 6: Final answer
    x = 3,586.35

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Double scale
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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.