Home / 4,813.48-7,220.72-1,303.51

Finding the Fourth Proportional to 4,813.48, 7,220.72 and 1,303.51

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Solution

The fourth proportional to 4,813.48, 7,220.72 and 1,303.51 is: 1,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.48 : 7,220.72 = 1,303.51 : x
  2. Step 2: Convert to fraction form
    4,813.48/7,220.72 = 1,303.51/x
  3. Step 3: Cross multiply
    4,813.48x = 7,220.72 × 1,303.51
  4. Step 4: Simplify right side
    4,813.48x = 9,412,274.21
  5. Step 5: Solve for x
    x = 9,412,274.21/4,813.48
  6. Step 6: Final answer
    x = 1,955.40

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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.