Home / 7,570.56-10,445.68-4,425.28

Finding the Fourth Proportional to 7,570.56, 10,445.68 and 4,425.28

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Solution

The fourth proportional to 7,570.56, 10,445.68 and 4,425.28 is: 6,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.56 : 10,445.68 = 4,425.28 : x
  2. Step 2: Convert to fraction form
    7,570.56/10,445.68 = 4,425.28/x
  3. Step 3: Cross multiply
    7,570.56x = 10,445.68 × 4,425.28
  4. Step 4: Simplify right side
    7,570.56x = 46,225,058.79
  5. Step 5: Solve for x
    x = 46,225,058.79/7,570.56
  6. Step 6: Final answer
    x = 6,105.90

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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.