Home / 8,423.51-11,617.88-5,440.08

Finding the Fourth Proportional to 8,423.51, 11,617.88 and 5,440.08

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Solution

The fourth proportional to 8,423.51, 11,617.88 and 5,440.08 is: 7,503.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.51 : 11,617.88 = 5,440.08 : x
  2. Step 2: Convert to fraction form
    8,423.51/11,617.88 = 5,440.08/x
  3. Step 3: Cross multiply
    8,423.51x = 11,617.88 × 5,440.08
  4. Step 4: Simplify right side
    8,423.51x = 63,202,210.23
  5. Step 5: Solve for x
    x = 63,202,210.23/8,423.51
  6. Step 6: Final answer
    x = 7,503.07

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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.