Home / 5,300.23-7,315.19-2,943.13

Finding the Fourth Proportional to 5,300.23, 7,315.19 and 2,943.13

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Solution

The fourth proportional to 5,300.23, 7,315.19 and 2,943.13 is: 4,062.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.23 : 7,315.19 = 2,943.13 : x
  2. Step 2: Convert to fraction form
    5,300.23/7,315.19 = 2,943.13/x
  3. Step 3: Cross multiply
    5,300.23x = 7,315.19 × 2,943.13
  4. Step 4: Simplify right side
    5,300.23x = 21,529,555.14
  5. Step 5: Solve for x
    x = 21,529,555.14/5,300.23
  6. Step 6: Final answer
    x = 4,062.00

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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.