Home / 7,715.41-10,646.68-4,358.60

Finding the Fourth Proportional to 7,715.41, 10,646.68 and 4,358.60

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Solution

The fourth proportional to 7,715.41, 10,646.68 and 4,358.60 is: 6,014.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.41 : 10,646.68 = 4,358.60 : x
  2. Step 2: Convert to fraction form
    7,715.41/10,646.68 = 4,358.60/x
  3. Step 3: Cross multiply
    7,715.41x = 10,646.68 × 4,358.60
  4. Step 4: Simplify right side
    7,715.41x = 46,404,619.45
  5. Step 5: Solve for x
    x = 46,404,619.45/7,715.41
  6. Step 6: Final answer
    x = 6,014.54

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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.