Home / 4,690.19-7,036.29-1,403.57

Finding the Fourth Proportional to 4,690.19, 7,036.29 and 1,403.57

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Solution

The fourth proportional to 4,690.19, 7,036.29 and 1,403.57 is: 2,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.19 : 7,036.29 = 1,403.57 : x
  2. Step 2: Convert to fraction form
    4,690.19/7,036.29 = 1,403.57/x
  3. Step 3: Cross multiply
    4,690.19x = 7,036.29 × 1,403.57
  4. Step 4: Simplify right side
    4,690.19x = 9,875,890.37
  5. Step 5: Solve for x
    x = 9,875,890.37/4,690.19
  6. Step 6: Final answer
    x = 2,105.65

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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.