Home / 5,076.34-7,615.95-1,613.86

Finding the Fourth Proportional to 5,076.34, 7,615.95 and 1,613.86

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Solution

The fourth proportional to 5,076.34, 7,615.95 and 1,613.86 is: 2,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.34 : 7,615.95 = 1,613.86 : x
  2. Step 2: Convert to fraction form
    5,076.34/7,615.95 = 1,613.86/x
  3. Step 3: Cross multiply
    5,076.34x = 7,615.95 × 1,613.86
  4. Step 4: Simplify right side
    5,076.34x = 12,291,077.07
  5. Step 5: Solve for x
    x = 12,291,077.07/5,076.34
  6. Step 6: Final answer
    x = 2,421.25

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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.