Home / 5,805.02-8,665.35-4,988.54

Finding the Fourth Proportional to 5,805.02, 8,665.35 and 4,988.54

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Solution

The fourth proportional to 5,805.02, 8,665.35 and 4,988.54 is: 7,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.02 : 8,665.35 = 4,988.54 : x
  2. Step 2: Convert to fraction form
    5,805.02/8,665.35 = 4,988.54/x
  3. Step 3: Cross multiply
    5,805.02x = 8,665.35 × 4,988.54
  4. Step 4: Simplify right side
    5,805.02x = 43,227,445.09
  5. Step 5: Solve for x
    x = 43,227,445.09/5,805.02
  6. Step 6: Final answer
    x = 7,446.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.