Home / 4,727.07-7,088.55-1,439.39

Finding the Fourth Proportional to 4,727.07, 7,088.55 and 1,439.39

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Solution

The fourth proportional to 4,727.07, 7,088.55 and 1,439.39 is: 2,158.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.07 : 7,088.55 = 1,439.39 : x
  2. Step 2: Convert to fraction form
    4,727.07/7,088.55 = 1,439.39/x
  3. Step 3: Cross multiply
    4,727.07x = 7,088.55 × 1,439.39
  4. Step 4: Simplify right side
    4,727.07x = 10,203,200.31
  5. Step 5: Solve for x
    x = 10,203,200.31/4,727.07
  6. Step 6: Final answer
    x = 2,158.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.