Home / 8,985.44-13,459.80-5,686.76

Finding the Fourth Proportional to 8,985.44, 13,459.80 and 5,686.76

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Solution

The fourth proportional to 8,985.44, 13,459.80 and 5,686.76 is: 8,518.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.44 : 13,459.80 = 5,686.76 : x
  2. Step 2: Convert to fraction form
    8,985.44/13,459.80 = 5,686.76/x
  3. Step 3: Cross multiply
    8,985.44x = 13,459.80 × 5,686.76
  4. Step 4: Simplify right side
    8,985.44x = 76,542,652.25
  5. Step 5: Solve for x
    x = 76,542,652.25/8,985.44
  6. Step 6: Final answer
    x = 8,518.52

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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.