Home / 7,113.64-9,818.59-4,321.48

Finding the Fourth Proportional to 7,113.64, 9,818.59 and 4,321.48

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Solution

The fourth proportional to 7,113.64, 9,818.59 and 4,321.48 is: 5,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.64 : 9,818.59 = 4,321.48 : x
  2. Step 2: Convert to fraction form
    7,113.64/9,818.59 = 4,321.48/x
  3. Step 3: Cross multiply
    7,113.64x = 9,818.59 × 4,321.48
  4. Step 4: Simplify right side
    7,113.64x = 42,430,818.71
  5. Step 5: Solve for x
    x = 42,430,818.71/7,113.64
  6. Step 6: Final answer
    x = 5,964.71

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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.