Home / 9,065.80-12,510.48-5,087.08

Finding the Fourth Proportional to 9,065.80, 12,510.48 and 5,087.08

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Solution

The fourth proportional to 9,065.80, 12,510.48 and 5,087.08 is: 7,019.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.80 : 12,510.48 = 5,087.08 : x
  2. Step 2: Convert to fraction form
    9,065.80/12,510.48 = 5,087.08/x
  3. Step 3: Cross multiply
    9,065.80x = 12,510.48 × 5,087.08
  4. Step 4: Simplify right side
    9,065.80x = 63,641,812.60
  5. Step 5: Solve for x
    x = 63,641,812.60/9,065.80
  6. Step 6: Final answer
    x = 7,019.99

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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.