Home / 7,680.40-10,595.76-4,846.64

Finding the Fourth Proportional to 7,680.40, 10,595.76 and 4,846.64

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Solution

The fourth proportional to 7,680.40, 10,595.76 and 4,846.64 is: 6,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.40 : 10,595.76 = 4,846.64 : x
  2. Step 2: Convert to fraction form
    7,680.40/10,595.76 = 4,846.64/x
  3. Step 3: Cross multiply
    7,680.40x = 10,595.76 × 4,846.64
  4. Step 4: Simplify right side
    7,680.40x = 51,353,834.25
  5. Step 5: Solve for x
    x = 51,353,834.25/7,680.40
  6. Step 6: Final answer
    x = 6,686.35

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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.