Home / 8,870.96-13,278.36-5,572.64

Finding the Fourth Proportional to 8,870.96, 13,278.36 and 5,572.64

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Solution

The fourth proportional to 8,870.96, 13,278.36 and 5,572.64 is: 8,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.96 : 13,278.36 = 5,572.64 : x
  2. Step 2: Convert to fraction form
    8,870.96/13,278.36 = 5,572.64/x
  3. Step 3: Cross multiply
    8,870.96x = 13,278.36 × 5,572.64
  4. Step 4: Simplify right side
    8,870.96x = 73,995,520.07
  5. Step 5: Solve for x
    x = 73,995,520.07/8,870.96
  6. Step 6: Final answer
    x = 8,341.32

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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.