Home / 7,998.88-11,038.04-4,461.40

Finding the Fourth Proportional to 7,998.88, 11,038.04 and 4,461.40

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Solution

The fourth proportional to 7,998.88, 11,038.04 and 4,461.40 is: 6,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.88 : 11,038.04 = 4,461.40 : x
  2. Step 2: Convert to fraction form
    7,998.88/11,038.04 = 4,461.40/x
  3. Step 3: Cross multiply
    7,998.88x = 11,038.04 × 4,461.40
  4. Step 4: Simplify right side
    7,998.88x = 49,245,111.66
  5. Step 5: Solve for x
    x = 49,245,111.66/7,998.88
  6. Step 6: Final answer
    x = 6,156.50

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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.