Home / 7,746.28-10,687.08-4,602.40

Finding the Fourth Proportional to 7,746.28, 10,687.08 and 4,602.40

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Solution

The fourth proportional to 7,746.28, 10,687.08 and 4,602.40 is: 6,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.28 : 10,687.08 = 4,602.40 : x
  2. Step 2: Convert to fraction form
    7,746.28/10,687.08 = 4,602.40/x
  3. Step 3: Cross multiply
    7,746.28x = 10,687.08 × 4,602.40
  4. Step 4: Simplify right side
    7,746.28x = 49,186,216.99
  5. Step 5: Solve for x
    x = 49,186,216.99/7,746.28
  6. Step 6: Final answer
    x = 6,349.66

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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.