Home / 4,746.79-7,120.75-1,975.34

Finding the Fourth Proportional to 4,746.79, 7,120.75 and 1,975.34

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Solution

The fourth proportional to 4,746.79, 7,120.75 and 1,975.34 is: 2,963.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.79 : 7,120.75 = 1,975.34 : x
  2. Step 2: Convert to fraction form
    4,746.79/7,120.75 = 1,975.34/x
  3. Step 3: Cross multiply
    4,746.79x = 7,120.75 × 1,975.34
  4. Step 4: Simplify right side
    4,746.79x = 14,065,902.31
  5. Step 5: Solve for x
    x = 14,065,902.31/4,746.79
  6. Step 6: Final answer
    x = 2,963.25

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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.