Home / 5,688.60-8,523.30-4,709.40

Finding the Fourth Proportional to 5,688.60, 8,523.30 and 4,709.40

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Solution

The fourth proportional to 5,688.60, 8,523.30 and 4,709.40 is: 7,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.60 : 8,523.30 = 4,709.40 : x
  2. Step 2: Convert to fraction form
    5,688.60/8,523.30 = 4,709.40/x
  3. Step 3: Cross multiply
    5,688.60x = 8,523.30 × 4,709.40
  4. Step 4: Simplify right side
    5,688.60x = 40,139,629.02
  5. Step 5: Solve for x
    x = 40,139,629.02/5,688.60
  6. Step 6: Final answer
    x = 7,056.15

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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.