Home / 4,620.60-6,931.44-1,698.24

Finding the Fourth Proportional to 4,620.60, 6,931.44 and 1,698.24

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Solution

The fourth proportional to 4,620.60, 6,931.44 and 1,698.24 is: 2,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.60 : 6,931.44 = 1,698.24 : x
  2. Step 2: Convert to fraction form
    4,620.60/6,931.44 = 1,698.24/x
  3. Step 3: Cross multiply
    4,620.60x = 6,931.44 × 1,698.24
  4. Step 4: Simplify right side
    4,620.60x = 11,771,248.67
  5. Step 5: Solve for x
    x = 11,771,248.67/4,620.60
  6. Step 6: Final answer
    x = 2,547.56

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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.