Home / 7,904.95-10,910.36-5,075.90

Finding the Fourth Proportional to 7,904.95, 10,910.36 and 5,075.90

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Solution

The fourth proportional to 7,904.95, 10,910.36 and 5,075.90 is: 7,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.95 : 10,910.36 = 5,075.90 : x
  2. Step 2: Convert to fraction form
    7,904.95/10,910.36 = 5,075.90/x
  3. Step 3: Cross multiply
    7,904.95x = 10,910.36 × 5,075.90
  4. Step 4: Simplify right side
    7,904.95x = 55,379,895.38
  5. Step 5: Solve for x
    x = 55,379,895.38/7,904.95
  6. Step 6: Final answer
    x = 7,005.72

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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.