Home / 4,088.14-6,128.51-1,490.47

Finding the Fourth Proportional to 4,088.14, 6,128.51 and 1,490.47

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Solution

The fourth proportional to 4,088.14, 6,128.51 and 1,490.47 is: 2,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.14 : 6,128.51 = 1,490.47 : x
  2. Step 2: Convert to fraction form
    4,088.14/6,128.51 = 1,490.47/x
  3. Step 3: Cross multiply
    4,088.14x = 6,128.51 × 1,490.47
  4. Step 4: Simplify right side
    4,088.14x = 9,134,322.20
  5. Step 5: Solve for x
    x = 9,134,322.20/4,088.14
  6. Step 6: Final answer
    x = 2,234.35

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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.