Home / 7,931.64-11,904.80-4,038.96

Finding the Fourth Proportional to 7,931.64, 11,904.80 and 4,038.96

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Solution

The fourth proportional to 7,931.64, 11,904.80 and 4,038.96 is: 6,062.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.64 : 11,904.80 = 4,038.96 : x
  2. Step 2: Convert to fraction form
    7,931.64/11,904.80 = 4,038.96/x
  3. Step 3: Cross multiply
    7,931.64x = 11,904.80 × 4,038.96
  4. Step 4: Simplify right side
    7,931.64x = 48,083,011.01
  5. Step 5: Solve for x
    x = 48,083,011.01/7,931.64
  6. Step 6: Final answer
    x = 6,062.18

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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.