Home / 4,670.06-6,445.78-2,900.61

Finding the Fourth Proportional to 4,670.06, 6,445.78 and 2,900.61

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Solution

The fourth proportional to 4,670.06, 6,445.78 and 2,900.61 is: 4,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.06 : 6,445.78 = 2,900.61 : x
  2. Step 2: Convert to fraction form
    4,670.06/6,445.78 = 2,900.61/x
  3. Step 3: Cross multiply
    4,670.06x = 6,445.78 × 2,900.61
  4. Step 4: Simplify right side
    4,670.06x = 18,696,686.67
  5. Step 5: Solve for x
    x = 18,696,686.67/4,670.06
  6. Step 6: Final answer
    x = 4,003.53

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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.