Home / 5,570.90-8,356.35-4,477.40

Finding the Fourth Proportional to 5,570.90, 8,356.35 and 4,477.40

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Solution

The fourth proportional to 5,570.90, 8,356.35 and 4,477.40 is: 6,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.90 : 8,356.35 = 4,477.40 : x
  2. Step 2: Convert to fraction form
    5,570.90/8,356.35 = 4,477.40/x
  3. Step 3: Cross multiply
    5,570.90x = 8,356.35 × 4,477.40
  4. Step 4: Simplify right side
    5,570.90x = 37,414,721.49
  5. Step 5: Solve for x
    x = 37,414,721.49/5,570.90
  6. Step 6: Final answer
    x = 6,716.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.