Home / 4,718.32-6,511.54-2,830.22

Finding the Fourth Proportional to 4,718.32, 6,511.54 and 2,830.22

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Solution

The fourth proportional to 4,718.32, 6,511.54 and 2,830.22 is: 3,905.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.32 : 6,511.54 = 2,830.22 : x
  2. Step 2: Convert to fraction form
    4,718.32/6,511.54 = 2,830.22/x
  3. Step 3: Cross multiply
    4,718.32x = 6,511.54 × 2,830.22
  4. Step 4: Simplify right side
    4,718.32x = 18,429,090.74
  5. Step 5: Solve for x
    x = 18,429,090.74/4,718.32
  6. Step 6: Final answer
    x = 3,905.86

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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.