Home / 9,090.60-12,545.64-6,848.52

Finding the Fourth Proportional to 9,090.60, 12,545.64 and 6,848.52

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Solution

The fourth proportional to 9,090.60, 12,545.64 and 6,848.52 is: 9,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.60 : 12,545.64 = 6,848.52 : x
  2. Step 2: Convert to fraction form
    9,090.60/12,545.64 = 6,848.52/x
  3. Step 3: Cross multiply
    9,090.60x = 12,545.64 × 6,848.52
  4. Step 4: Simplify right side
    9,090.60x = 85,919,066.45
  5. Step 5: Solve for x
    x = 85,919,066.45/9,090.60
  6. Step 6: Final answer
    x = 9,451.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.