Home / 5,684.47-8,528.40-3,435.50

Finding the Fourth Proportional to 5,684.47, 8,528.40 and 3,435.50

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Solution

The fourth proportional to 5,684.47, 8,528.40 and 3,435.50 is: 5,154.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,684.47 : 8,528.40 = 3,435.50 : x
  2. Step 2: Convert to fraction form
    5,684.47/8,528.40 = 3,435.50/x
  3. Step 3: Cross multiply
    5,684.47x = 8,528.40 × 3,435.50
  4. Step 4: Simplify right side
    5,684.47x = 29,299,339.52
  5. Step 5: Solve for x
    x = 29,299,339.52/5,684.47
  6. Step 6: Final answer
    x = 5,154.28

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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.