Home / 4,712.06-6,502.80-2,587.80

Finding the Fourth Proportional to 4,712.06, 6,502.80 and 2,587.80

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Solution

The fourth proportional to 4,712.06, 6,502.80 and 2,587.80 is: 3,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.06 : 6,502.80 = 2,587.80 : x
  2. Step 2: Convert to fraction form
    4,712.06/6,502.80 = 2,587.80/x
  3. Step 3: Cross multiply
    4,712.06x = 6,502.80 × 2,587.80
  4. Step 4: Simplify right side
    4,712.06x = 16,827,945.84
  5. Step 5: Solve for x
    x = 16,827,945.84/4,712.06
  6. Step 6: Final answer
    x = 3,571.25

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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.