Home / 8,006.48-12,011.28-3,075.74

Finding the Fourth Proportional to 8,006.48, 12,011.28 and 3,075.74

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Solution

The fourth proportional to 8,006.48, 12,011.28 and 3,075.74 is: 4,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.48 : 12,011.28 = 3,075.74 : x
  2. Step 2: Convert to fraction form
    8,006.48/12,011.28 = 3,075.74/x
  3. Step 3: Cross multiply
    8,006.48x = 12,011.28 × 3,075.74
  4. Step 4: Simplify right side
    8,006.48x = 36,943,498.91
  5. Step 5: Solve for x
    x = 36,943,498.91/8,006.48
  6. Step 6: Final answer
    x = 4,614.20

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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.