Home / 4,859.20-7,290-1,572.46

Finding the Fourth Proportional to 4,859.20, 7,290 and 1,572.46

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Solution

The fourth proportional to 4,859.20, 7,290 and 1,572.46 is: 2,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.20 : 7,290 = 1,572.46 : x
  2. Step 2: Convert to fraction form
    4,859.20/7,290 = 1,572.46/x
  3. Step 3: Cross multiply
    4,859.20x = 7,290 × 1,572.46
  4. Step 4: Simplify right side
    4,859.20x = 11,463,233.40
  5. Step 5: Solve for x
    x = 11,463,233.40/4,859.20
  6. Step 6: Final answer
    x = 2,359.08

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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.