Home / 4,701.51-6,488.69-3,087.80

Finding the Fourth Proportional to 4,701.51, 6,488.69 and 3,087.80

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Solution

The fourth proportional to 4,701.51, 6,488.69 and 3,087.80 is: 4,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701.51 : 6,488.69 = 3,087.80 : x
  2. Step 2: Convert to fraction form
    4,701.51/6,488.69 = 3,087.80/x
  3. Step 3: Cross multiply
    4,701.51x = 6,488.69 × 3,087.80
  4. Step 4: Simplify right side
    4,701.51x = 20,035,729.10
  5. Step 5: Solve for x
    x = 20,035,729.10/4,701.51
  6. Step 6: Final answer
    x = 4,261.55

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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.