Home / 5,931.39-8,898.63-1,771.40

Finding the Fourth Proportional to 5,931.39, 8,898.63 and 1,771.40

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Solution

The fourth proportional to 5,931.39, 8,898.63 and 1,771.40 is: 2,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.39 : 8,898.63 = 1,771.40 : x
  2. Step 2: Convert to fraction form
    5,931.39/8,898.63 = 1,771.40/x
  3. Step 3: Cross multiply
    5,931.39x = 8,898.63 × 1,771.40
  4. Step 4: Simplify right side
    5,931.39x = 15,763,048.79
  5. Step 5: Solve for x
    x = 15,763,048.79/5,931.39
  6. Step 6: Final answer
    x = 2,657.56

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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.