Home / 8,291.22-12,434.40-4,595.28

Finding the Fourth Proportional to 8,291.22, 12,434.40 and 4,595.28

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Solution

The fourth proportional to 8,291.22, 12,434.40 and 4,595.28 is: 6,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.22 : 12,434.40 = 4,595.28 : x
  2. Step 2: Convert to fraction form
    8,291.22/12,434.40 = 4,595.28/x
  3. Step 3: Cross multiply
    8,291.22x = 12,434.40 × 4,595.28
  4. Step 4: Simplify right side
    8,291.22x = 57,139,549.63
  5. Step 5: Solve for x
    x = 57,139,549.63/8,291.22
  6. Step 6: Final answer
    x = 6,891.57

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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.