Home / 4,583.60-6,878.68-1,988.40

Finding the Fourth Proportional to 4,583.60, 6,878.68 and 1,988.40

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Solution

The fourth proportional to 4,583.60, 6,878.68 and 1,988.40 is: 2,984.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,583.60 : 6,878.68 = 1,988.40 : x
  2. Step 2: Convert to fraction form
    4,583.60/6,878.68 = 1,988.40/x
  3. Step 3: Cross multiply
    4,583.60x = 6,878.68 × 1,988.40
  4. Step 4: Simplify right side
    4,583.60x = 13,677,567.31
  5. Step 5: Solve for x
    x = 13,677,567.31/4,583.60
  6. Step 6: Final answer
    x = 2,984.02

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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.