Home / 9,152.36-13,730.64-2,578.40

Finding the Fourth Proportional to 9,152.36, 13,730.64 and 2,578.40

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Solution

The fourth proportional to 9,152.36, 13,730.64 and 2,578.40 is: 3,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.36 : 13,730.64 = 2,578.40 : x
  2. Step 2: Convert to fraction form
    9,152.36/13,730.64 = 2,578.40/x
  3. Step 3: Cross multiply
    9,152.36x = 13,730.64 × 2,578.40
  4. Step 4: Simplify right side
    9,152.36x = 35,403,082.18
  5. Step 5: Solve for x
    x = 35,403,082.18/9,152.36
  6. Step 6: Final answer
    x = 3,868.19

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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.