Home / 4,775.09-6,588.74-2,885.40

Finding the Fourth Proportional to 4,775.09, 6,588.74 and 2,885.40

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Solution

The fourth proportional to 4,775.09, 6,588.74 and 2,885.40 is: 3,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.09 : 6,588.74 = 2,885.40 : x
  2. Step 2: Convert to fraction form
    4,775.09/6,588.74 = 2,885.40/x
  3. Step 3: Cross multiply
    4,775.09x = 6,588.74 × 2,885.40
  4. Step 4: Simplify right side
    4,775.09x = 19,011,157.61
  5. Step 5: Solve for x
    x = 19,011,157.61/4,775.09
  6. Step 6: Final answer
    x = 3,981.32

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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.