Home / 7,031.75-10,547.82-3,080.98

Finding the Fourth Proportional to 7,031.75, 10,547.82 and 3,080.98

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Solution

The fourth proportional to 7,031.75, 10,547.82 and 3,080.98 is: 4,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.75 : 10,547.82 = 3,080.98 : x
  2. Step 2: Convert to fraction form
    7,031.75/10,547.82 = 3,080.98/x
  3. Step 3: Cross multiply
    7,031.75x = 10,547.82 × 3,080.98
  4. Step 4: Simplify right side
    7,031.75x = 32,497,596.09
  5. Step 5: Solve for x
    x = 32,497,596.09/7,031.75
  6. Step 6: Final answer
    x = 4,621.55

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1.5x scale

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.