Home / 4,607.51-6,910.04-1,320.74

Finding the Fourth Proportional to 4,607.51, 6,910.04 and 1,320.74

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Solution

The fourth proportional to 4,607.51, 6,910.04 and 1,320.74 is: 1,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.51 : 6,910.04 = 1,320.74 : x
  2. Step 2: Convert to fraction form
    4,607.51/6,910.04 = 1,320.74/x
  3. Step 3: Cross multiply
    4,607.51x = 6,910.04 × 1,320.74
  4. Step 4: Simplify right side
    4,607.51x = 9,126,325.08
  5. Step 5: Solve for x
    x = 9,126,325.08/4,607.51
  6. Step 6: Final answer
    x = 1,980.75

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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.