Home / 9,283.89-12,811.80-5,508.90

Finding the Fourth Proportional to 9,283.89, 12,811.80 and 5,508.90

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Solution

The fourth proportional to 9,283.89, 12,811.80 and 5,508.90 is: 7,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,283.89 : 12,811.80 = 5,508.90 : x
  2. Step 2: Convert to fraction form
    9,283.89/12,811.80 = 5,508.90/x
  3. Step 3: Cross multiply
    9,283.89x = 12,811.80 × 5,508.90
  4. Step 4: Simplify right side
    9,283.89x = 70,578,925.02
  5. Step 5: Solve for x
    x = 70,578,925.02/9,283.89
  6. Step 6: Final answer
    x = 7,602.30

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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.