Home / 7,312.32-10,967.04-2,118.24

Finding the Fourth Proportional to 7,312.32, 10,967.04 and 2,118.24

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Solution

The fourth proportional to 7,312.32, 10,967.04 and 2,118.24 is: 3,176.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.32 : 10,967.04 = 2,118.24 : x
  2. Step 2: Convert to fraction form
    7,312.32/10,967.04 = 2,118.24/x
  3. Step 3: Cross multiply
    7,312.32x = 10,967.04 × 2,118.24
  4. Step 4: Simplify right side
    7,312.32x = 23,230,822.81
  5. Step 5: Solve for x
    x = 23,230,822.81/7,312.32
  6. Step 6: Final answer
    x = 3,176.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.