Home / 5,570.10-7,686.41-3,180.35

Finding the Fourth Proportional to 5,570.10, 7,686.41 and 3,180.35

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Solution

The fourth proportional to 5,570.10, 7,686.41 and 3,180.35 is: 4,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.10 : 7,686.41 = 3,180.35 : x
  2. Step 2: Convert to fraction form
    5,570.10/7,686.41 = 3,180.35/x
  3. Step 3: Cross multiply
    5,570.10x = 7,686.41 × 3,180.35
  4. Step 4: Simplify right side
    5,570.10x = 24,445,474.04
  5. Step 5: Solve for x
    x = 24,445,474.04/5,570.10
  6. Step 6: Final answer
    x = 4,388.70

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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.