Home / 5,260.23-7,888.04-1,971.02

Finding the Fourth Proportional to 5,260.23, 7,888.04 and 1,971.02

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Solution

The fourth proportional to 5,260.23, 7,888.04 and 1,971.02 is: 2,955.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.23 : 7,888.04 = 1,971.02 : x
  2. Step 2: Convert to fraction form
    5,260.23/7,888.04 = 1,971.02/x
  3. Step 3: Cross multiply
    5,260.23x = 7,888.04 × 1,971.02
  4. Step 4: Simplify right side
    5,260.23x = 15,547,484.60
  5. Step 5: Solve for x
    x = 15,547,484.60/5,260.23
  6. Step 6: Final answer
    x = 2,955.67

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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.