Home / 5,038.09-6,952.80-2,800.00

Finding the Fourth Proportional to 5,038.09, 6,952.80 and 2,800.00

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Solution

The fourth proportional to 5,038.09, 6,952.80 and 2,800.00 is: 3,864.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.09 : 6,952.80 = 2,800.00 : x
  2. Step 2: Convert to fraction form
    5,038.09/6,952.80 = 2,800.00/x
  3. Step 3: Cross multiply
    5,038.09x = 6,952.80 × 2,800.00
  4. Step 4: Simplify right side
    5,038.09x = 19,467,869.57
  5. Step 5: Solve for x
    x = 19,467,869.57/5,038.09
  6. Step 6: Final answer
    x = 3,864.14

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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.