Home / 6,866.10-10,291.05-4,395.60

Finding the Fourth Proportional to 6,866.10, 10,291.05 and 4,395.60

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Solution

The fourth proportional to 6,866.10, 10,291.05 and 4,395.60 is: 6,588.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.10 : 10,291.05 = 4,395.60 : x
  2. Step 2: Convert to fraction form
    6,866.10/10,291.05 = 4,395.60/x
  3. Step 3: Cross multiply
    6,866.10x = 10,291.05 × 4,395.60
  4. Step 4: Simplify right side
    6,866.10x = 45,235,339.38
  5. Step 5: Solve for x
    x = 45,235,339.38/6,866.10
  6. Step 6: Final answer
    x = 6,588.21

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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.