Home / 7,428.51-10,250.65-5,440.16

Finding the Fourth Proportional to 7,428.51, 10,250.65 and 5,440.16

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Solution

The fourth proportional to 7,428.51, 10,250.65 and 5,440.16 is: 7,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.51 : 10,250.65 = 5,440.16 : x
  2. Step 2: Convert to fraction form
    7,428.51/10,250.65 = 5,440.16/x
  3. Step 3: Cross multiply
    7,428.51x = 10,250.65 × 5,440.16
  4. Step 4: Simplify right side
    7,428.51x = 55,765,208.53
  5. Step 5: Solve for x
    x = 55,765,208.53/7,428.51
  6. Step 6: Final answer
    x = 7,506.92

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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.