Home / 4,680.07-6,456.95-3,087.51

Finding the Fourth Proportional to 4,680.07, 6,456.95 and 3,087.51

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Solution

The fourth proportional to 4,680.07, 6,456.95 and 3,087.51 is: 4,259.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.07 : 6,456.95 = 3,087.51 : x
  2. Step 2: Convert to fraction form
    4,680.07/6,456.95 = 3,087.51/x
  3. Step 3: Cross multiply
    4,680.07x = 6,456.95 × 3,087.51
  4. Step 4: Simplify right side
    4,680.07x = 19,935,897.69
  5. Step 5: Solve for x
    x = 19,935,897.69/4,680.07
  6. Step 6: Final answer
    x = 4,259.74

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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.