Home / 4,330.80-6,495.28-1,557.63

Finding the Fourth Proportional to 4,330.80, 6,495.28 and 1,557.63

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Solution

The fourth proportional to 4,330.80, 6,495.28 and 1,557.63 is: 2,336.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,330.80 : 6,495.28 = 1,557.63 : x
  2. Step 2: Convert to fraction form
    4,330.80/6,495.28 = 1,557.63/x
  3. Step 3: Cross multiply
    4,330.80x = 6,495.28 × 1,557.63
  4. Step 4: Simplify right side
    4,330.80x = 10,117,239.09
  5. Step 5: Solve for x
    x = 10,117,239.09/4,330.80
  6. Step 6: Final answer
    x = 2,336.11

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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.