Home / 4,600.45-6,900.54-1,313.55

Finding the Fourth Proportional to 4,600.45, 6,900.54 and 1,313.55

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Solution

The fourth proportional to 4,600.45, 6,900.54 and 1,313.55 is: 1,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,600.45 : 6,900.54 = 1,313.55 : x
  2. Step 2: Convert to fraction form
    4,600.45/6,900.54 = 1,313.55/x
  3. Step 3: Cross multiply
    4,600.45x = 6,900.54 × 1,313.55
  4. Step 4: Simplify right side
    4,600.45x = 9,064,199.39
  5. Step 5: Solve for x
    x = 9,064,199.39/4,600.45
  6. Step 6: Final answer
    x = 1,970.28

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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.