Home / 7,219.18-9,959.52-4,386.61

Finding the Fourth Proportional to 7,219.18, 9,959.52 and 4,386.61

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Solution

The fourth proportional to 7,219.18, 9,959.52 and 4,386.61 is: 6,051.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.18 : 9,959.52 = 4,386.61 : x
  2. Step 2: Convert to fraction form
    7,219.18/9,959.52 = 4,386.61/x
  3. Step 3: Cross multiply
    7,219.18x = 9,959.52 × 4,386.61
  4. Step 4: Simplify right side
    7,219.18x = 43,688,530.03
  5. Step 5: Solve for x
    x = 43,688,530.03/7,219.18
  6. Step 6: Final answer
    x = 6,051.73

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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.