Home / 4,657.89-6,987.34-2,318.49

Finding the Fourth Proportional to 4,657.89, 6,987.34 and 2,318.49

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Solution

The fourth proportional to 4,657.89, 6,987.34 and 2,318.49 is: 3,477.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.89 : 6,987.34 = 2,318.49 : x
  2. Step 2: Convert to fraction form
    4,657.89/6,987.34 = 2,318.49/x
  3. Step 3: Cross multiply
    4,657.89x = 6,987.34 × 2,318.49
  4. Step 4: Simplify right side
    4,657.89x = 16,200,080.81
  5. Step 5: Solve for x
    x = 16,200,080.81/4,657.89
  6. Step 6: Final answer
    x = 3,477.98

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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.