Home / 9,277.79-12,803.67-5,298.84

Finding the Fourth Proportional to 9,277.79, 12,803.67 and 5,298.84

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Solution

The fourth proportional to 9,277.79, 12,803.67 and 5,298.84 is: 7,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.79 : 12,803.67 = 5,298.84 : x
  2. Step 2: Convert to fraction form
    9,277.79/12,803.67 = 5,298.84/x
  3. Step 3: Cross multiply
    9,277.79x = 12,803.67 × 5,298.84
  4. Step 4: Simplify right side
    9,277.79x = 67,844,598.74
  5. Step 5: Solve for x
    x = 67,844,598.74/9,277.79
  6. Step 6: Final answer
    x = 7,312.59

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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.