Home / 6,620.55-9,127.43-5,672.24

Finding the Fourth Proportional to 6,620.55, 9,127.43 and 5,672.24

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Solution

The fourth proportional to 6,620.55, 9,127.43 and 5,672.24 is: 7,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.55 : 9,127.43 = 5,672.24 : x
  2. Step 2: Convert to fraction form
    6,620.55/9,127.43 = 5,672.24/x
  3. Step 3: Cross multiply
    6,620.55x = 9,127.43 × 5,672.24
  4. Step 4: Simplify right side
    6,620.55x = 51,773,038.29
  5. Step 5: Solve for x
    x = 51,773,038.29/6,620.55
  6. Step 6: Final answer
    x = 7,820.05

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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.