Home / 7,938.79-10,953.35-4,750.79

Finding the Fourth Proportional to 7,938.79, 10,953.35 and 4,750.79

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Solution

The fourth proportional to 7,938.79, 10,953.35 and 4,750.79 is: 6,554.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.79 : 10,953.35 = 4,750.79 : x
  2. Step 2: Convert to fraction form
    7,938.79/10,953.35 = 4,750.79/x
  3. Step 3: Cross multiply
    7,938.79x = 10,953.35 × 4,750.79
  4. Step 4: Simplify right side
    7,938.79x = 52,037,065.65
  5. Step 5: Solve for x
    x = 52,037,065.65/7,938.79
  6. Step 6: Final answer
    x = 6,554.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.