Home / 4,598.60-6,897.90-1,311.80

Finding the Fourth Proportional to 4,598.60, 6,897.90 and 1,311.80

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Solution

The fourth proportional to 4,598.60, 6,897.90 and 1,311.80 is: 1,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,598.60 : 6,897.90 = 1,311.80 : x
  2. Step 2: Convert to fraction form
    4,598.60/6,897.90 = 1,311.80/x
  3. Step 3: Cross multiply
    4,598.60x = 6,897.90 × 1,311.80
  4. Step 4: Simplify right side
    4,598.60x = 9,048,665.22
  5. Step 5: Solve for x
    x = 9,048,665.22/4,598.60
  6. Step 6: Final answer
    x = 1,967.70

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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.