Home / 7,931.84-11,897.03-4,810.91

Finding the Fourth Proportional to 7,931.84, 11,897.03 and 4,810.91

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Solution

The fourth proportional to 7,931.84, 11,897.03 and 4,810.91 is: 7,215.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.84 : 11,897.03 = 4,810.91 : x
  2. Step 2: Convert to fraction form
    7,931.84/11,897.03 = 4,810.91/x
  3. Step 3: Cross multiply
    7,931.84x = 11,897.03 × 4,810.91
  4. Step 4: Simplify right side
    7,931.84x = 57,235,457.06
  5. Step 5: Solve for x
    x = 57,235,457.06/7,931.84
  6. Step 6: Final answer
    x = 7,215.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.