Home / 7,959.20-10,985.35-4,601.55

Finding the Fourth Proportional to 7,959.20, 10,985.35 and 4,601.55

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Solution

The fourth proportional to 7,959.20, 10,985.35 and 4,601.55 is: 6,351.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.20 : 10,985.35 = 4,601.55 : x
  2. Step 2: Convert to fraction form
    7,959.20/10,985.35 = 4,601.55/x
  3. Step 3: Cross multiply
    7,959.20x = 10,985.35 × 4,601.55
  4. Step 4: Simplify right side
    7,959.20x = 50,549,625.79
  5. Step 5: Solve for x
    x = 50,549,625.79/7,959.20
  6. Step 6: Final answer
    x = 6,351.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.