Home / 6,858.07-10,287.10-5,488.46

Finding the Fourth Proportional to 6,858.07, 10,287.10 and 5,488.46

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Solution

The fourth proportional to 6,858.07, 10,287.10 and 5,488.46 is: 8,232.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.07 : 10,287.10 = 5,488.46 : x
  2. Step 2: Convert to fraction form
    6,858.07/10,287.10 = 5,488.46/x
  3. Step 3: Cross multiply
    6,858.07x = 10,287.10 × 5,488.46
  4. Step 4: Simplify right side
    6,858.07x = 56,460,330.87
  5. Step 5: Solve for x
    x = 56,460,330.87/6,858.07
  6. Step 6: Final answer
    x = 8,232.69

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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.