Home / 7,090.18-10,613.37-4,619.68

Finding the Fourth Proportional to 7,090.18, 10,613.37 and 4,619.68

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Solution

The fourth proportional to 7,090.18, 10,613.37 and 4,619.68 is: 6,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.18 : 10,613.37 = 4,619.68 : x
  2. Step 2: Convert to fraction form
    7,090.18/10,613.37 = 4,619.68/x
  3. Step 3: Cross multiply
    7,090.18x = 10,613.37 × 4,619.68
  4. Step 4: Simplify right side
    7,090.18x = 49,030,373.12
  5. Step 5: Solve for x
    x = 49,030,373.12/7,090.18
  6. Step 6: Final answer
    x = 6,915.25

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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.