Home / 8,875.08-13,312.85-3,031.63

Finding the Fourth Proportional to 8,875.08, 13,312.85 and 3,031.63

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Solution

The fourth proportional to 8,875.08, 13,312.85 and 3,031.63 is: 4,547.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.08 : 13,312.85 = 3,031.63 : x
  2. Step 2: Convert to fraction form
    8,875.08/13,312.85 = 3,031.63/x
  3. Step 3: Cross multiply
    8,875.08x = 13,312.85 × 3,031.63
  4. Step 4: Simplify right side
    8,875.08x = 40,359,635.45
  5. Step 5: Solve for x
    x = 40,359,635.45/8,875.08
  6. Step 6: Final answer
    x = 4,547.52

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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.