Home / 8,459.04-12,686.76-5,986.80

Finding the Fourth Proportional to 8,459.04, 12,686.76 and 5,986.80

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Solution

The fourth proportional to 8,459.04, 12,686.76 and 5,986.80 is: 8,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459.04 : 12,686.76 = 5,986.80 : x
  2. Step 2: Convert to fraction form
    8,459.04/12,686.76 = 5,986.80/x
  3. Step 3: Cross multiply
    8,459.04x = 12,686.76 × 5,986.80
  4. Step 4: Simplify right side
    8,459.04x = 75,953,094.77
  5. Step 5: Solve for x
    x = 75,953,094.77/8,459.04
  6. Step 6: Final answer
    x = 8,978.93

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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.