Home / 7,330.36-10,115.86-3,973.16

Finding the Fourth Proportional to 7,330.36, 10,115.86 and 3,973.16

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Solution

The fourth proportional to 7,330.36, 10,115.86 and 3,973.16 is: 5,482.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.36 : 10,115.86 = 3,973.16 : x
  2. Step 2: Convert to fraction form
    7,330.36/10,115.86 = 3,973.16/x
  3. Step 3: Cross multiply
    7,330.36x = 10,115.86 × 3,973.16
  4. Step 4: Simplify right side
    7,330.36x = 40,191,930.32
  5. Step 5: Solve for x
    x = 40,191,930.32/7,330.36
  6. Step 6: Final answer
    x = 5,482.94

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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.