Home / 7,837.74-10,812.65-4,692.11

Finding the Fourth Proportional to 7,837.74, 10,812.65 and 4,692.11

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Solution

The fourth proportional to 7,837.74, 10,812.65 and 4,692.11 is: 6,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.74 : 10,812.65 = 4,692.11 : x
  2. Step 2: Convert to fraction form
    7,837.74/10,812.65 = 4,692.11/x
  3. Step 3: Cross multiply
    7,837.74x = 10,812.65 × 4,692.11
  4. Step 4: Simplify right side
    7,837.74x = 50,734,065.67
  5. Step 5: Solve for x
    x = 50,734,065.67/7,837.74
  6. Step 6: Final answer
    x = 6,473.05

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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.