Home / 5,287.06-7,300.70-4,389.99

Finding the Fourth Proportional to 5,287.06, 7,300.70 and 4,389.99

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Solution

The fourth proportional to 5,287.06, 7,300.70 and 4,389.99 is: 6,061.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.06 : 7,300.70 = 4,389.99 : x
  2. Step 2: Convert to fraction form
    5,287.06/7,300.70 = 4,389.99/x
  3. Step 3: Cross multiply
    5,287.06x = 7,300.70 × 4,389.99
  4. Step 4: Simplify right side
    5,287.06x = 32,049,999.99
  5. Step 5: Solve for x
    x = 32,049,999.99/5,287.06
  6. Step 6: Final answer
    x = 6,061.97

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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.