Home / 5,459.39-8,188.91-1,510.89

Finding the Fourth Proportional to 5,459.39, 8,188.91 and 1,510.89

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Solution

The fourth proportional to 5,459.39, 8,188.91 and 1,510.89 is: 2,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.39 : 8,188.91 = 1,510.89 : x
  2. Step 2: Convert to fraction form
    5,459.39/8,188.91 = 1,510.89/x
  3. Step 3: Cross multiply
    5,459.39x = 8,188.91 × 1,510.89
  4. Step 4: Simplify right side
    5,459.39x = 12,372,534.68
  5. Step 5: Solve for x
    x = 12,372,534.68/5,459.39
  6. Step 6: Final answer
    x = 2,266.29

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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.