Home / 4,718.40-6,511.20-2,622.66

Finding the Fourth Proportional to 4,718.40, 6,511.20 and 2,622.66

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Solution

The fourth proportional to 4,718.40, 6,511.20 and 2,622.66 is: 3,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.40 : 6,511.20 = 2,622.66 : x
  2. Step 2: Convert to fraction form
    4,718.40/6,511.20 = 2,622.66/x
  3. Step 3: Cross multiply
    4,718.40x = 6,511.20 × 2,622.66
  4. Step 4: Simplify right side
    4,718.40x = 17,076,663.79
  5. Step 5: Solve for x
    x = 17,076,663.79/4,718.40
  6. Step 6: Final answer
    x = 3,619.16

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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.