Home / 7,577.56-10,456.32-4,220.16

Finding the Fourth Proportional to 7,577.56, 10,456.32 and 4,220.16

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Solution

The fourth proportional to 7,577.56, 10,456.32 and 4,220.16 is: 5,823.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.56 : 10,456.32 = 4,220.16 : x
  2. Step 2: Convert to fraction form
    7,577.56/10,456.32 = 4,220.16/x
  3. Step 3: Cross multiply
    7,577.56x = 10,456.32 × 4,220.16
  4. Step 4: Simplify right side
    7,577.56x = 44,127,343.41
  5. Step 5: Solve for x
    x = 44,127,343.41/7,577.56
  6. Step 6: Final answer
    x = 5,823.42

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Half scale
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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.