Home / 4,380.47-6,570.76-1,458.77

Finding the Fourth Proportional to 4,380.47, 6,570.76 and 1,458.77

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Solution

The fourth proportional to 4,380.47, 6,570.76 and 1,458.77 is: 2,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.47 : 6,570.76 = 1,458.77 : x
  2. Step 2: Convert to fraction form
    4,380.47/6,570.76 = 1,458.77/x
  3. Step 3: Cross multiply
    4,380.47x = 6,570.76 × 1,458.77
  4. Step 4: Simplify right side
    4,380.47x = 9,585,240.35
  5. Step 5: Solve for x
    x = 9,585,240.35/4,380.47
  6. Step 6: Final answer
    x = 2,188.17

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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.