Home / 7,914.13-10,922.12-4,377.67

Finding the Fourth Proportional to 7,914.13, 10,922.12 and 4,377.67

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Solution

The fourth proportional to 7,914.13, 10,922.12 and 4,377.67 is: 6,041.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.13 : 10,922.12 = 4,377.67 : x
  2. Step 2: Convert to fraction form
    7,914.13/10,922.12 = 4,377.67/x
  3. Step 3: Cross multiply
    7,914.13x = 10,922.12 × 4,377.67
  4. Step 4: Simplify right side
    7,914.13x = 47,813,437.06
  5. Step 5: Solve for x
    x = 47,813,437.06/7,914.13
  6. Step 6: Final answer
    x = 6,041.53

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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.