Home / 4,378.84-6,565.02-2,647.06

Finding the Fourth Proportional to 4,378.84, 6,565.02 and 2,647.06

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Solution

The fourth proportional to 4,378.84, 6,565.02 and 2,647.06 is: 3,968.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.84 : 6,565.02 = 2,647.06 : x
  2. Step 2: Convert to fraction form
    4,378.84/6,565.02 = 2,647.06/x
  3. Step 3: Cross multiply
    4,378.84x = 6,565.02 × 2,647.06
  4. Step 4: Simplify right side
    4,378.84x = 17,378,001.84
  5. Step 5: Solve for x
    x = 17,378,001.84/4,378.84
  6. Step 6: Final answer
    x = 3,968.63

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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.