Home / 7,065.89-10,598.90-1,871.76

Finding the Fourth Proportional to 7,065.89, 10,598.90 and 1,871.76

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Solution

The fourth proportional to 7,065.89, 10,598.90 and 1,871.76 is: 2,807.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.89 : 10,598.90 = 1,871.76 : x
  2. Step 2: Convert to fraction form
    7,065.89/10,598.90 = 1,871.76/x
  3. Step 3: Cross multiply
    7,065.89x = 10,598.90 × 1,871.76
  4. Step 4: Simplify right side
    7,065.89x = 19,838,587.71
  5. Step 5: Solve for x
    x = 19,838,587.71/7,065.89
  6. Step 6: Final answer
    x = 2,807.66

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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.