Home / 7,927.42-11,868.01-6,870.03

Finding the Fourth Proportional to 7,927.42, 11,868.01 and 6,870.03

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Solution

The fourth proportional to 7,927.42, 11,868.01 and 6,870.03 is: 10,285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.42 : 11,868.01 = 6,870.03 : x
  2. Step 2: Convert to fraction form
    7,927.42/11,868.01 = 6,870.03/x
  3. Step 3: Cross multiply
    7,927.42x = 11,868.01 × 6,870.03
  4. Step 4: Simplify right side
    7,927.42x = 81,533,530.09
  5. Step 5: Solve for x
    x = 81,533,530.09/7,927.42
  6. Step 6: Final answer
    x = 10,285.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.