Home / 7,509.66-11,271.78-5,442.95

Finding the Fourth Proportional to 7,509.66, 11,271.78 and 5,442.95

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Solution

The fourth proportional to 7,509.66, 11,271.78 and 5,442.95 is: 8,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.66 : 11,271.78 = 5,442.95 : x
  2. Step 2: Convert to fraction form
    7,509.66/11,271.78 = 5,442.95/x
  3. Step 3: Cross multiply
    7,509.66x = 11,271.78 × 5,442.95
  4. Step 4: Simplify right side
    7,509.66x = 61,351,678.59
  5. Step 5: Solve for x
    x = 61,351,678.59/7,509.66
  6. Step 6: Final answer
    x = 8,169.70

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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.