Home / 5,298.51-7,312.28-3,060.80

Finding the Fourth Proportional to 5,298.51, 7,312.28 and 3,060.80

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Solution

The fourth proportional to 5,298.51, 7,312.28 and 3,060.80 is: 4,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.51 : 7,312.28 = 3,060.80 : x
  2. Step 2: Convert to fraction form
    5,298.51/7,312.28 = 3,060.80/x
  3. Step 3: Cross multiply
    5,298.51x = 7,312.28 × 3,060.80
  4. Step 4: Simplify right side
    5,298.51x = 22,381,374.76
  5. Step 5: Solve for x
    x = 22,381,374.76/5,298.51
  6. Step 6: Final answer
    x = 4,224.09

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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.