Home / 4,671.45-7,008.18-1,384.77

Finding the Fourth Proportional to 4,671.45, 7,008.18 and 1,384.77

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Solution

The fourth proportional to 4,671.45, 7,008.18 and 1,384.77 is: 2,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.45 : 7,008.18 = 1,384.77 : x
  2. Step 2: Convert to fraction form
    4,671.45/7,008.18 = 1,384.77/x
  3. Step 3: Cross multiply
    4,671.45x = 7,008.18 × 1,384.77
  4. Step 4: Simplify right side
    4,671.45x = 9,704,717.42
  5. Step 5: Solve for x
    x = 9,704,717.42/4,671.45
  6. Step 6: Final answer
    x = 2,077.45

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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.