Home / 4,719.40-6,513.14-2,831.06

Finding the Fourth Proportional to 4,719.40, 6,513.14 and 2,831.06

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Solution

The fourth proportional to 4,719.40, 6,513.14 and 2,831.06 is: 3,907.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.40 : 6,513.14 = 2,831.06 : x
  2. Step 2: Convert to fraction form
    4,719.40/6,513.14 = 2,831.06/x
  3. Step 3: Cross multiply
    4,719.40x = 6,513.14 × 2,831.06
  4. Step 4: Simplify right side
    4,719.40x = 18,439,075.97
  5. Step 5: Solve for x
    x = 18,439,075.97/4,719.40
  6. Step 6: Final answer
    x = 3,907.08

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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.