Home / 5,206.10-7,809.57-1,508.40

Finding the Fourth Proportional to 5,206.10, 7,809.57 and 1,508.40

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Solution

The fourth proportional to 5,206.10, 7,809.57 and 1,508.40 is: 2,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.10 : 7,809.57 = 1,508.40 : x
  2. Step 2: Convert to fraction form
    5,206.10/7,809.57 = 1,508.40/x
  3. Step 3: Cross multiply
    5,206.10x = 7,809.57 × 1,508.40
  4. Step 4: Simplify right side
    5,206.10x = 11,779,955.39
  5. Step 5: Solve for x
    x = 11,779,955.39/5,206.10
  6. Step 6: Final answer
    x = 2,262.72

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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.