Home / 7,762.13-10,711.73-4,225.37

Finding the Fourth Proportional to 7,762.13, 10,711.73 and 4,225.37

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Solution

The fourth proportional to 7,762.13, 10,711.73 and 4,225.37 is: 5,831.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.13 : 10,711.73 = 4,225.37 : x
  2. Step 2: Convert to fraction form
    7,762.13/10,711.73 = 4,225.37/x
  3. Step 3: Cross multiply
    7,762.13x = 10,711.73 × 4,225.37
  4. Step 4: Simplify right side
    7,762.13x = 45,260,979.59
  5. Step 5: Solve for x
    x = 45,260,979.59/7,762.13
  6. Step 6: Final answer
    x = 5,831.00

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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.