Home / 7,914.76-10,921.93-4,329.01

Finding the Fourth Proportional to 7,914.76, 10,921.93 and 4,329.01

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Solution

The fourth proportional to 7,914.76, 10,921.93 and 4,329.01 is: 5,973.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.76 : 10,921.93 = 4,329.01 : x
  2. Step 2: Convert to fraction form
    7,914.76/10,921.93 = 4,329.01/x
  3. Step 3: Cross multiply
    7,914.76x = 10,921.93 × 4,329.01
  4. Step 4: Simplify right side
    7,914.76x = 47,281,144.19
  5. Step 5: Solve for x
    x = 47,281,144.19/7,914.76
  6. Step 6: Final answer
    x = 5,973.79

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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.