Home / 7,038.08-9,712.70-4,208.38

Finding the Fourth Proportional to 7,038.08, 9,712.70 and 4,208.38

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Solution

The fourth proportional to 7,038.08, 9,712.70 and 4,208.38 is: 5,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.08 : 9,712.70 = 4,208.38 : x
  2. Step 2: Convert to fraction form
    7,038.08/9,712.70 = 4,208.38/x
  3. Step 3: Cross multiply
    7,038.08x = 9,712.70 × 4,208.38
  4. Step 4: Simplify right side
    7,038.08x = 40,874,732.43
  5. Step 5: Solve for x
    x = 40,874,732.43/7,038.08
  6. Step 6: Final answer
    x = 5,807.65

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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.