Home / 7,219.61-9,963.76-4,235.34

Finding the Fourth Proportional to 7,219.61, 9,963.76 and 4,235.34

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Solution

The fourth proportional to 7,219.61, 9,963.76 and 4,235.34 is: 5,845.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.61 : 9,963.76 = 4,235.34 : x
  2. Step 2: Convert to fraction form
    7,219.61/9,963.76 = 4,235.34/x
  3. Step 3: Cross multiply
    7,219.61x = 9,963.76 × 4,235.34
  4. Step 4: Simplify right side
    7,219.61x = 42,199,889.95
  5. Step 5: Solve for x
    x = 42,199,889.95/7,219.61
  6. Step 6: Final answer
    x = 5,845.18

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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.