Home / 4,172.29-6,258.45-1,210.92

Finding the Fourth Proportional to 4,172.29, 6,258.45 and 1,210.92

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Solution

The fourth proportional to 4,172.29, 6,258.45 and 1,210.92 is: 1,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.29 : 6,258.45 = 1,210.92 : x
  2. Step 2: Convert to fraction form
    4,172.29/6,258.45 = 1,210.92/x
  3. Step 3: Cross multiply
    4,172.29x = 6,258.45 × 1,210.92
  4. Step 4: Simplify right side
    4,172.29x = 7,578,482.27
  5. Step 5: Solve for x
    x = 7,578,482.27/4,172.29
  6. Step 6: Final answer
    x = 1,816.38

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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.