Home / 6,319.15-8,717.74-4,637.64

Finding the Fourth Proportional to 6,319.15, 8,717.74 and 4,637.64

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Solution

The fourth proportional to 6,319.15, 8,717.74 and 4,637.64 is: 6,397.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.15 : 8,717.74 = 4,637.64 : x
  2. Step 2: Convert to fraction form
    6,319.15/8,717.74 = 4,637.64/x
  3. Step 3: Cross multiply
    6,319.15x = 8,717.74 × 4,637.64
  4. Step 4: Simplify right side
    6,319.15x = 40,429,739.73
  5. Step 5: Solve for x
    x = 40,429,739.73/6,319.15
  6. Step 6: Final answer
    x = 6,397.97

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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.