Home / 5,459.18-8,190.08-1,761.76

Finding the Fourth Proportional to 5,459.18, 8,190.08 and 1,761.76

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Solution

The fourth proportional to 5,459.18, 8,190.08 and 1,761.76 is: 2,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.18 : 8,190.08 = 1,761.76 : x
  2. Step 2: Convert to fraction form
    5,459.18/8,190.08 = 1,761.76/x
  3. Step 3: Cross multiply
    5,459.18x = 8,190.08 × 1,761.76
  4. Step 4: Simplify right side
    5,459.18x = 14,428,955.34
  5. Step 5: Solve for x
    x = 14,428,955.34/5,459.18
  6. Step 6: Final answer
    x = 2,643.06

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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.