Home / 9,270.09-12,792.58-5,291.10

Finding the Fourth Proportional to 9,270.09, 12,792.58 and 5,291.10

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Solution

The fourth proportional to 9,270.09, 12,792.58 and 5,291.10 is: 7,301.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.09 : 12,792.58 = 5,291.10 : x
  2. Step 2: Convert to fraction form
    9,270.09/12,792.58 = 5,291.10/x
  3. Step 3: Cross multiply
    9,270.09x = 12,792.58 × 5,291.10
  4. Step 4: Simplify right side
    9,270.09x = 67,686,820.04
  5. Step 5: Solve for x
    x = 67,686,820.04/9,270.09
  6. Step 6: Final answer
    x = 7,301.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.