Home / 9,880.48-14,820.69-4,613.72

Finding the Fourth Proportional to 9,880.48, 14,820.69 and 4,613.72

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Solution

The fourth proportional to 9,880.48, 14,820.69 and 4,613.72 is: 6,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.48 : 14,820.69 = 4,613.72 : x
  2. Step 2: Convert to fraction form
    9,880.48/14,820.69 = 4,613.72/x
  3. Step 3: Cross multiply
    9,880.48x = 14,820.69 × 4,613.72
  4. Step 4: Simplify right side
    9,880.48x = 68,378,513.87
  5. Step 5: Solve for x
    x = 68,378,513.87/9,880.48
  6. Step 6: Final answer
    x = 6,920.57

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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.