Home / 4,840.47-7,263.45-1,920.87

Finding the Fourth Proportional to 4,840.47, 7,263.45 and 1,920.87

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Solution

The fourth proportional to 4,840.47, 7,263.45 and 1,920.87 is: 2,882.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.47 : 7,263.45 = 1,920.87 : x
  2. Step 2: Convert to fraction form
    4,840.47/7,263.45 = 1,920.87/x
  3. Step 3: Cross multiply
    4,840.47x = 7,263.45 × 1,920.87
  4. Step 4: Simplify right side
    4,840.47x = 13,952,143.20
  5. Step 5: Solve for x
    x = 13,952,143.20/4,840.47
  6. Step 6: Final answer
    x = 2,882.39

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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.