Home / 4,342.50-6,513.78-1,055.58

Finding the Fourth Proportional to 4,342.50, 6,513.78 and 1,055.58

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Solution

The fourth proportional to 4,342.50, 6,513.78 and 1,055.58 is: 1,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.50 : 6,513.78 = 1,055.58 : x
  2. Step 2: Convert to fraction form
    4,342.50/6,513.78 = 1,055.58/x
  3. Step 3: Cross multiply
    4,342.50x = 6,513.78 × 1,055.58
  4. Step 4: Simplify right side
    4,342.50x = 6,875,815.89
  5. Step 5: Solve for x
    x = 6,875,815.89/4,342.50
  6. Step 6: Final answer
    x = 1,583.38

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Double scale
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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.