Home / 9,070.09-13,603.60-4,138.57

Finding the Fourth Proportional to 9,070.09, 13,603.60 and 4,138.57

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Solution

The fourth proportional to 9,070.09, 13,603.60 and 4,138.57 is: 6,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.09 : 13,603.60 = 4,138.57 : x
  2. Step 2: Convert to fraction form
    9,070.09/13,603.60 = 4,138.57/x
  3. Step 3: Cross multiply
    9,070.09x = 13,603.60 × 4,138.57
  4. Step 4: Simplify right side
    9,070.09x = 56,299,430.16
  5. Step 5: Solve for x
    x = 56,299,430.16/9,070.09
  6. Step 6: Final answer
    x = 6,207.15

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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.