Home / 6,897.45-9,520.49-4,507.77

Finding the Fourth Proportional to 6,897.45, 9,520.49 and 4,507.77

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Solution

The fourth proportional to 6,897.45, 9,520.49 and 4,507.77 is: 6,222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.45 : 9,520.49 = 4,507.77 : x
  2. Step 2: Convert to fraction form
    6,897.45/9,520.49 = 4,507.77/x
  3. Step 3: Cross multiply
    6,897.45x = 9,520.49 × 4,507.77
  4. Step 4: Simplify right side
    6,897.45x = 42,916,214.28
  5. Step 5: Solve for x
    x = 42,916,214.28/6,897.45
  6. Step 6: Final answer
    x = 6,222.04

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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.