Home / 9,267.76-12,789.66-5,075.74

Finding the Fourth Proportional to 9,267.76, 12,789.66 and 5,075.74

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Solution

The fourth proportional to 9,267.76, 12,789.66 and 5,075.74 is: 7,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,267.76 : 12,789.66 = 5,075.74 : x
  2. Step 2: Convert to fraction form
    9,267.76/12,789.66 = 5,075.74/x
  3. Step 3: Cross multiply
    9,267.76x = 12,789.66 × 5,075.74
  4. Step 4: Simplify right side
    9,267.76x = 64,916,988.85
  5. Step 5: Solve for x
    x = 64,916,988.85/9,267.76
  6. Step 6: Final answer
    x = 7,004.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.