Home / 7,386.76-10,186.86-5,705.65

Finding the Fourth Proportional to 7,386.76, 10,186.86 and 5,705.65

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Solution

The fourth proportional to 7,386.76, 10,186.86 and 5,705.65 is: 7,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.76 : 10,186.86 = 5,705.65 : x
  2. Step 2: Convert to fraction form
    7,386.76/10,186.86 = 5,705.65/x
  3. Step 3: Cross multiply
    7,386.76x = 10,186.86 × 5,705.65
  4. Step 4: Simplify right side
    7,386.76x = 58,122,657.76
  5. Step 5: Solve for x
    x = 58,122,657.76/7,386.76
  6. Step 6: Final answer
    x = 7,868.49

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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.