Home / 7,469.77-10,307.87-4,112.45

Finding the Fourth Proportional to 7,469.77, 10,307.87 and 4,112.45

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Solution

The fourth proportional to 7,469.77, 10,307.87 and 4,112.45 is: 5,674.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.77 : 10,307.87 = 4,112.45 : x
  2. Step 2: Convert to fraction form
    7,469.77/10,307.87 = 4,112.45/x
  3. Step 3: Cross multiply
    7,469.77x = 10,307.87 × 4,112.45
  4. Step 4: Simplify right side
    7,469.77x = 42,390,599.98
  5. Step 5: Solve for x
    x = 42,390,599.98/7,469.77
  6. Step 6: Final answer
    x = 5,674.95

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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.