Home / 7,549.46-10,420.81-4,408.28

Finding the Fourth Proportional to 7,549.46, 10,420.81 and 4,408.28

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Solution

The fourth proportional to 7,549.46, 10,420.81 and 4,408.28 is: 6,084.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.46 : 10,420.81 = 4,408.28 : x
  2. Step 2: Convert to fraction form
    7,549.46/10,420.81 = 4,408.28/x
  3. Step 3: Cross multiply
    7,549.46x = 10,420.81 × 4,408.28
  4. Step 4: Simplify right side
    7,549.46x = 45,937,785.18
  5. Step 5: Solve for x
    x = 45,937,785.18/7,549.46
  6. Step 6: Final answer
    x = 6,084.91

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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.