Home / 7,031.69-10,547.55-2,871.70

Finding the Fourth Proportional to 7,031.69, 10,547.55 and 2,871.70

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Solution

The fourth proportional to 7,031.69, 10,547.55 and 2,871.70 is: 4,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.69 : 10,547.55 = 2,871.70 : x
  2. Step 2: Convert to fraction form
    7,031.69/10,547.55 = 2,871.70/x
  3. Step 3: Cross multiply
    7,031.69x = 10,547.55 × 2,871.70
  4. Step 4: Simplify right side
    7,031.69x = 30,289,358.61
  5. Step 5: Solve for x
    x = 30,289,358.61/7,031.69
  6. Step 6: Final answer
    x = 4,307.55

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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.