Home / 5,471.04-8,205.36-1,574.60

Finding the Fourth Proportional to 5,471.04, 8,205.36 and 1,574.60

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Solution

The fourth proportional to 5,471.04, 8,205.36 and 1,574.60 is: 2,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.04 : 8,205.36 = 1,574.60 : x
  2. Step 2: Convert to fraction form
    5,471.04/8,205.36 = 1,574.60/x
  3. Step 3: Cross multiply
    5,471.04x = 8,205.36 × 1,574.60
  4. Step 4: Simplify right side
    5,471.04x = 12,920,159.86
  5. Step 5: Solve for x
    x = 12,920,159.86/5,471.04
  6. Step 6: Final answer
    x = 2,361.55

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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.