Home / 7,660.20-10,570.80-4,681.04

Finding the Fourth Proportional to 7,660.20, 10,570.80 and 4,681.04

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Solution

The fourth proportional to 7,660.20, 10,570.80 and 4,681.04 is: 6,459.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.20 : 10,570.80 = 4,681.04 : x
  2. Step 2: Convert to fraction form
    7,660.20/10,570.80 = 4,681.04/x
  3. Step 3: Cross multiply
    7,660.20x = 10,570.80 × 4,681.04
  4. Step 4: Simplify right side
    7,660.20x = 49,482,337.63
  5. Step 5: Solve for x
    x = 49,482,337.63/7,660.20
  6. Step 6: Final answer
    x = 6,459.67

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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.