Home / 5,018.13-6,925.28-2,780.25

Finding the Fourth Proportional to 5,018.13, 6,925.28 and 2,780.25

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Solution

The fourth proportional to 5,018.13, 6,925.28 and 2,780.25 is: 3,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.13 : 6,925.28 = 2,780.25 : x
  2. Step 2: Convert to fraction form
    5,018.13/6,925.28 = 2,780.25/x
  3. Step 3: Cross multiply
    5,018.13x = 6,925.28 × 2,780.25
  4. Step 4: Simplify right side
    5,018.13x = 19,254,009.72
  5. Step 5: Solve for x
    x = 19,254,009.72/5,018.13
  6. Step 6: Final answer
    x = 3,836.89

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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.