Home / 7,552.56-10,421.60-4,408.32

Finding the Fourth Proportional to 7,552.56, 10,421.60 and 4,408.32

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Solution

The fourth proportional to 7,552.56, 10,421.60 and 4,408.32 is: 6,082.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,552.56 : 10,421.60 = 4,408.32 : x
  2. Step 2: Convert to fraction form
    7,552.56/10,421.60 = 4,408.32/x
  3. Step 3: Cross multiply
    7,552.56x = 10,421.60 × 4,408.32
  4. Step 4: Simplify right side
    7,552.56x = 45,941,747.71
  5. Step 5: Solve for x
    x = 45,941,747.71/7,552.56
  6. Step 6: Final answer
    x = 6,082.94

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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.