Home / 7,389.79-10,195.54-5,265.68

Finding the Fourth Proportional to 7,389.79, 10,195.54 and 5,265.68

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Solution

The fourth proportional to 7,389.79, 10,195.54 and 5,265.68 is: 7,264.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.79 : 10,195.54 = 5,265.68 : x
  2. Step 2: Convert to fraction form
    7,389.79/10,195.54 = 5,265.68/x
  3. Step 3: Cross multiply
    7,389.79x = 10,195.54 × 5,265.68
  4. Step 4: Simplify right side
    7,389.79x = 53,686,386.93
  5. Step 5: Solve for x
    x = 53,686,386.93/7,389.79
  6. Step 6: Final answer
    x = 7,264.94

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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.