Home / 7,493.32-10,315.38-6,439.24

Finding the Fourth Proportional to 7,493.32, 10,315.38 and 6,439.24

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Solution

The fourth proportional to 7,493.32, 10,315.38 and 6,439.24 is: 8,864.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.32 : 10,315.38 = 6,439.24 : x
  2. Step 2: Convert to fraction form
    7,493.32/10,315.38 = 6,439.24/x
  3. Step 3: Cross multiply
    7,493.32x = 10,315.38 × 6,439.24
  4. Step 4: Simplify right side
    7,493.32x = 66,423,207.51
  5. Step 5: Solve for x
    x = 66,423,207.51/7,493.32
  6. Step 6: Final answer
    x = 8,864.32

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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.