Home / 4,680.66-7,018.76-1,392.60

Finding the Fourth Proportional to 4,680.66, 7,018.76 and 1,392.60

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Solution

The fourth proportional to 4,680.66, 7,018.76 and 1,392.60 is: 2,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.66 : 7,018.76 = 1,392.60 : x
  2. Step 2: Convert to fraction form
    4,680.66/7,018.76 = 1,392.60/x
  3. Step 3: Cross multiply
    4,680.66x = 7,018.76 × 1,392.60
  4. Step 4: Simplify right side
    4,680.66x = 9,774,325.18
  5. Step 5: Solve for x
    x = 9,774,325.18/4,680.66
  6. Step 6: Final answer
    x = 2,088.24

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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.