Home / 6,440.32-9,665.94-2,547.46

Finding the Fourth Proportional to 6,440.32, 9,665.94 and 2,547.46

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Solution

The fourth proportional to 6,440.32, 9,665.94 and 2,547.46 is: 3,823.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.32 : 9,665.94 = 2,547.46 : x
  2. Step 2: Convert to fraction form
    6,440.32/9,665.94 = 2,547.46/x
  3. Step 3: Cross multiply
    6,440.32x = 9,665.94 × 2,547.46
  4. Step 4: Simplify right side
    6,440.32x = 24,623,595.51
  5. Step 5: Solve for x
    x = 24,623,595.51/6,440.32
  6. Step 6: Final answer
    x = 3,823.35

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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.