Home / 7,914.74-10,922.42-4,378.01

Finding the Fourth Proportional to 7,914.74, 10,922.42 and 4,378.01

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Solution

The fourth proportional to 7,914.74, 10,922.42 and 4,378.01 is: 6,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.74 : 10,922.42 = 4,378.01 : x
  2. Step 2: Convert to fraction form
    7,914.74/10,922.42 = 4,378.01/x
  3. Step 3: Cross multiply
    7,914.74x = 10,922.42 × 4,378.01
  4. Step 4: Simplify right side
    7,914.74x = 47,818,463.98
  5. Step 5: Solve for x
    x = 47,818,463.98/7,914.74
  6. Step 6: Final answer
    x = 6,041.70

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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.