Home / 4,870.68-7,307.72-1,539.44

Finding the Fourth Proportional to 4,870.68, 7,307.72 and 1,539.44

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Solution

The fourth proportional to 4,870.68, 7,307.72 and 1,539.44 is: 2,309.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.68 : 7,307.72 = 1,539.44 : x
  2. Step 2: Convert to fraction form
    4,870.68/7,307.72 = 1,539.44/x
  3. Step 3: Cross multiply
    4,870.68x = 7,307.72 × 1,539.44
  4. Step 4: Simplify right side
    4,870.68x = 11,249,752.24
  5. Step 5: Solve for x
    x = 11,249,752.24/4,870.68
  6. Step 6: Final answer
    x = 2,309.69

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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.