Home / 5,038.80-6,953.40-2,800.76

Finding the Fourth Proportional to 5,038.80, 6,953.40 and 2,800.76

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Solution

The fourth proportional to 5,038.80, 6,953.40 and 2,800.76 is: 3,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.80 : 6,953.40 = 2,800.76 : x
  2. Step 2: Convert to fraction form
    5,038.80/6,953.40 = 2,800.76/x
  3. Step 3: Cross multiply
    5,038.80x = 6,953.40 × 2,800.76
  4. Step 4: Simplify right side
    5,038.80x = 19,474,804.58
  5. Step 5: Solve for x
    x = 19,474,804.58/5,038.80
  6. Step 6: Final answer
    x = 3,864.97

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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.