Home / 8,880.36-13,291.11-4,925.40

Finding the Fourth Proportional to 8,880.36, 13,291.11 and 4,925.40

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Solution

The fourth proportional to 8,880.36, 13,291.11 and 4,925.40 is: 7,371.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.36 : 13,291.11 = 4,925.40 : x
  2. Step 2: Convert to fraction form
    8,880.36/13,291.11 = 4,925.40/x
  3. Step 3: Cross multiply
    8,880.36x = 13,291.11 × 4,925.40
  4. Step 4: Simplify right side
    8,880.36x = 65,464,033.19
  5. Step 5: Solve for x
    x = 65,464,033.19/8,880.36
  6. Step 6: Final answer
    x = 7,371.78

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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.