Home / 4,411.86-6,618.75-1,490.07

Finding the Fourth Proportional to 4,411.86, 6,618.75 and 1,490.07

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Solution

The fourth proportional to 4,411.86, 6,618.75 and 1,490.07 is: 2,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.86 : 6,618.75 = 1,490.07 : x
  2. Step 2: Convert to fraction form
    4,411.86/6,618.75 = 1,490.07/x
  3. Step 3: Cross multiply
    4,411.86x = 6,618.75 × 1,490.07
  4. Step 4: Simplify right side
    4,411.86x = 9,862,400.81
  5. Step 5: Solve for x
    x = 9,862,400.81/4,411.86
  6. Step 6: Final answer
    x = 2,235.43

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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.