Home / 6,975.15-9,638.90-5,293.59

Finding the Fourth Proportional to 6,975.15, 9,638.90 and 5,293.59

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Solution

The fourth proportional to 6,975.15, 9,638.90 and 5,293.59 is: 7,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.15 : 9,638.90 = 5,293.59 : x
  2. Step 2: Convert to fraction form
    6,975.15/9,638.90 = 5,293.59/x
  3. Step 3: Cross multiply
    6,975.15x = 9,638.90 × 5,293.59
  4. Step 4: Simplify right side
    6,975.15x = 51,024,384.65
  5. Step 5: Solve for x
    x = 51,024,384.65/6,975.15
  6. Step 6: Final answer
    x = 7,315.17

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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.