Home / 9,271.88-12,795.51-5,080.40

Finding the Fourth Proportional to 9,271.88, 12,795.51 and 5,080.40

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Solution

The fourth proportional to 9,271.88, 12,795.51 and 5,080.40 is: 7,011.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,271.88 : 12,795.51 = 5,080.40 : x
  2. Step 2: Convert to fraction form
    9,271.88/12,795.51 = 5,080.40/x
  3. Step 3: Cross multiply
    9,271.88x = 12,795.51 × 5,080.40
  4. Step 4: Simplify right side
    9,271.88x = 65,006,245.03
  5. Step 5: Solve for x
    x = 65,006,245.03/9,271.88
  6. Step 6: Final answer
    x = 7,011.12

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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.