Home / 4,746.42-7,119.72-1,283.58

Finding the Fourth Proportional to 4,746.42, 7,119.72 and 1,283.58

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Solution

The fourth proportional to 4,746.42, 7,119.72 and 1,283.58 is: 1,925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.42 : 7,119.72 = 1,283.58 : x
  2. Step 2: Convert to fraction form
    4,746.42/7,119.72 = 1,283.58/x
  3. Step 3: Cross multiply
    4,746.42x = 7,119.72 × 1,283.58
  4. Step 4: Simplify right side
    4,746.42x = 9,138,730.20
  5. Step 5: Solve for x
    x = 9,138,730.20/4,746.42
  6. Step 6: Final answer
    x = 1,925.39

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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.