Home / 5,153.08-7,730.05-1,643.59

Finding the Fourth Proportional to 5,153.08, 7,730.05 and 1,643.59

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Solution

The fourth proportional to 5,153.08, 7,730.05 and 1,643.59 is: 2,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.08 : 7,730.05 = 1,643.59 : x
  2. Step 2: Convert to fraction form
    5,153.08/7,730.05 = 1,643.59/x
  3. Step 3: Cross multiply
    5,153.08x = 7,730.05 × 1,643.59
  4. Step 4: Simplify right side
    5,153.08x = 12,704,994.23
  5. Step 5: Solve for x
    x = 12,704,994.23/5,153.08
  6. Step 6: Final answer
    x = 2,465.52

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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.