Home / 9,281.51-12,808.47-5,089.75

Finding the Fourth Proportional to 9,281.51, 12,808.47 and 5,089.75

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Solution

The fourth proportional to 9,281.51, 12,808.47 and 5,089.75 is: 7,023.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281.51 : 12,808.47 = 5,089.75 : x
  2. Step 2: Convert to fraction form
    9,281.51/12,808.47 = 5,089.75/x
  3. Step 3: Cross multiply
    9,281.51x = 12,808.47 × 5,089.75
  4. Step 4: Simplify right side
    9,281.51x = 65,191,884.73
  5. Step 5: Solve for x
    x = 65,191,884.73/9,281.51
  6. Step 6: Final answer
    x = 7,023.84

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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.